﻿using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.ComponentModel;

namespace ViewModel
{
    public class ViewModelBase : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;


        protected virtual void OnPropertyChanged(string propertyName, Func<string, bool> action)
        {
            bool manager =  true;
            if (action != null)
                manager = action(propertyName);
            PropertyChangedEventHandler handler = PropertyChanged;
            if (handler != null && manager == true)
                handler(this, new PropertyChangedEventArgs(propertyName));
        }
    }
}
